package com.changgou.system.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.net.InetSocketAddress;

@Component
public class IpFilter implements GlobalFilter, Ordered {

    // 具体业务逻辑

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {

        System.out.println("第一个过滤器执行");

        ServerHttpRequest request = exchange.getRequest();

        InetSocketAddress address = request.getRemoteAddress();

        System.out.println("IP:"+address.getHostName());
        return chain.filter(exchange);
    }



    // 过滤器的执行优先级
    @Override
    public int getOrder() {
        // 返回值越小，执行优先级越高
        return 1;
    }





}
